Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD301064 S
Publication typeGrant
Application numberUS 06/863,399
Publication dateMay 9, 1989
Filing dateMay 14, 1986
Publication number06863399, 863399, US D301064 S, US D301064S, US-S-D301064, USD301064 S, USD301064S
InventorsPaul J. Forsberg
Original AssigneeKeystone Retaining Wall Systems, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Convex block
US D301064 S
Abstract  available in
Images(4)
Previous page
Next page
Claims(1)
  1. The ornamental design for a convex block, as shown and described.
Description

FIG. 1 is a perspective view of a first embodiment of the convex block of my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof, the bottom view being a mirror image thereof;

FIG. 4 is an end view thereof, the opposite end being a mirror image thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front perspective view of a second embodiment of the convex block of my new design;

FIG. 7 is a front elevational view of FIG. 6;

FIG. 8 is a top plan view of FIG. 6, the bottom view being a mirror image thereof;

FIG. 9 is an end view of FIG. 6, the opposite end being a mirror image thereof;

FIG. 10 is a rear view of FIG. 6;

FIG. 11 is a perspective view of a third embodiment of the convex block of my new design;

FIG. 12 is a front view of FIG. 11;

FIG. 13 is a top view of FIG. 11, the bottom view being a mirror image thereof;

FIG. 14 is an end view of FIG. 11, the opposite end being a mirror image thereof;

FIG. 15 is a rear view of FIG. 11;

FIG. 16 is a front perspective view of a fourth embodiment of the convex block of my new design;

FIG. 17 is a front view of FIG. 16;

FIG. 18 is a top view of FIG. 16, the bottom view being the mirror image thereof;

FIG. 19 is an end view of FIG. 16, the opposite end being a mirror image thereof; and

FIG. 20 is a rear view of FIG. 16.

Non-Patent Citations
Reference
1Concrete Masonry Pictorial, vol. 33, No. 3, 1977, p. 5, Curved Masonry Unit at lower right.
2The Besser Company brochure, "Modular Concrete Block", 1984.
3The Besser Company brochure, "Paving Stone", Jun., 1984.
4The Besser Company Bulletin, Feb. 1985.
5The Hollow Building Tile Assoc. Handbook, p. 11, Jan. 1924.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5487623 *Aug 18, 1993Jan 30, 1996Societe Civile Des Brevets Henri C. VidalModular block retaining wall construction and components
US5589124 *Jun 6, 1995Dec 31, 1996Block Systems, Inc.Method of forming composite masonry blocks
US5624211 *Feb 14, 1994Apr 29, 1997Societe Civile Des Brevets Henri C. VidalModular block retaining wall construction and components
US6142713 *Sep 25, 1998Nov 7, 2000Anchor Wall Systems, Inc.Composite masonry block
US6178704Jul 1, 1999Jan 30, 2001Anchor Wall Systems, Inc.Splitting technique
US6183168Feb 3, 2000Feb 6, 2001Anchor Wall Systems, Inc.Composite masonry block
US6250850Aug 19, 1999Jun 26, 2001Rockwood Retaining Walls, Inc.Block with multifaceted bottom surface
US6312197Sep 18, 2000Nov 6, 2001Anchor Wall Systems, Inc.Composite masonry block
US7124754Aug 6, 2004Oct 24, 2006Custom Precast & Masonry, Inc.Method and device for creating a decorative block feature
US7168218Jun 11, 2004Jan 30, 2007David Stalder SpratlenMortarless fence block system
US7823360May 24, 2007Nov 2, 2010Jared CottleOpen core building blocks system
Classifications
U.S. ClassificationD25/116, D25/118